Mikuni N133200-2.3 Needle Valve Assembly

Keep fuel delivery consistent and your carburetor operating properly with a genuine Mikuni Needle Valve Assembly. The N133.200-2.3 needle and seat assembly controls fuel entering the float bowl, helping maintain the correct fuel level for smooth, dependable carburetor performance. The 2.3 size is designed for compatible Mikuni TM33 applications and provides factory-style fit and function.

• Genuine Mikuni replacement component
• Needle and seat assembly for precise float-bowl fuel control
• 2.3mm fuel inlet size
• Helps maintain consistent carburetor fuel level
• Precision-manufactured for reliable sealing and fuel delivery
• Brass seat construction
• Direct replacement for compatible Mikuni TM33 carburetors

Includes:

• Needle Valve
• Needle Valve Seat

Specs / Notes

• Manufacturer: Mikuni
• Part Number: N133.200-2.3
• Component Type: Needle Valve / Needle & Seat Assembly
• Size: 2.3
• Material: Brass
• Application: Mikuni TM33-8012 Pumper Carburetor
• Also listed for OEM Suzuki DR350 off-road models from 1990–1999 equipped with the Mikuni TM33 carburetor
• Sold individually

The Mikuni N133200-2.3 Needle Valve Assembly is a replacement carburetor component designed to support consistent fuel control within compatible Mikuni carburetor systems. The needle valve works with the carburetor’s float mechanism to regulate fuel entering the bowl, helping maintain the proper fuel level for dependable engine operation. Its compact design makes it suitable for carburetor maintenance, repair, and component replacement applications where accurate fuel metering is required.
Use the Mikuni N133200-2.3 as part of a routine carburetor service or when inspection identifies wear, sticking, leakage, or inconsistent fuel flow at the needle valve. Replacing a worn valve assembly can help restore proper float-bowl operation and support reliable starting, acceleration, and overall engine performance. The assembly is supplied as one each and is intended for use with compatible Mikuni equipment.
Before installation, compare the existing component and verify application compatibility using the carburetor model, service documentation, and manufacturer parts information. Clean the surrounding carburetor passages and inspect the float, seat, gasket surfaces, and related fuel-system components during service. Proper installation and adjustment are important for achieving the intended fuel level and preventing issues such as flooding or fuel starvation. The Mikuni brand is recognized for carburetion components used in powersports, recreational, industrial, and other small-engine applications, making this needle valve assembly a practical choice for professional service and equipment maintenance.

Features:

• Brand: Mikuni

• Part Number: N133200-2.3

• Component Type: Needle valve assembly for compatible carburetor systems

• Fuel Control: Supports regulation of fuel entering the carburetor float bowl

• Service Use: Suitable for carburetor repair, maintenance, and replacement applications

• Package Quantity: Supplied as one each